a call echoed by civil rights leader jesse jackson, who wrote this message to the president on the website politic 365: >> "in this crisis we need the president's leadership. come home, mr. president, your city needs you." >> reporter: athena jones, cnn, washington. >> a rally today in south florida, to honor trayvon martin. the teenager would have turned 18, earlier this week. friends, family and supporters marched for peace, chanting "i am trayvon martin." joining the rally was hollywood a-lister jamie foxx, who spoke to the crowd at a park in miami. nearly a year ago, martin was shot and killed in sanford, florida. the suspect, george zimmermann, has been charged with murder and is awaiting trial. zimmerman claims he shot the teen in self-defense. >> this evening, this wind should die down. temperatures will be dropping. perhaps a few degrees with below freezing for this evening for tomorrow, a cold a as for goal for tomorrow, look for temperatures to warm up. yi upper 50s and 60s. here is future we are looking at temperatures. notice most of the map is in the 30's. 30's in the north ba